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  • Fixed bug causing potential crash when using aggregate volumes.

  • Fixed bug that could cause a crash when using a gprim with very many vertices and/or primvars.

  • Fixed bug causing reduced thread efficiency and potential hangs when rendering many things with different grouping membership, enabled lights, or enabled lightfilters state.

  • Fixed a potential crash when a hierarchical subdivision mesh specified an invalid face index in a face edit.

  • Fixed bug causing a very small chance of crashing when rendering a scene containing both infinite and local lights.

  • Some fixes for subsurface scattering with the PxrVCM (and PxrUPBP) integrator(s) that may have cause them to render black or with artifacts.
  • Fixed potential for crash or extra memory usage when rendering a large polygon mesh having non-quad faces and __faceindex values for per-face textures.

  • Fixed tile-shaped artifacts on materials with both subsurface and diffuse transmission.

  • Added the correct attribute for importanceMultiplier to the PxrMeshLight
  • Fix of incorrect normals of instanced NURBS patches with non-homogeneous control points. Speedup of ray tracing of some NURBS.

  • In OSL, trace() and getmessage("trace") now work when hit objects are not shaded.

  • Fixed a bug that could cause incorrect interpolation of primitive variables in some cases of coarsely tessellated displaced surfaces.

  • Fixed a possible issue with alpha values on matte objects and volumes.

 

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